A Study of Two Dosing Schedules of Atezolizumab in Combination With Gemcitabine and Cisplatin as First-Line Treatment for Metastatic Bladder Cancer

Memorial Sloan Kettering Cancer Center (All Protocol Activities), New York

Memorial Sloan Kettering Westchester (Limited Protocol Activities), Harrison

Memorial Sloan Kettering Nassau (Limited Protocol Activities), Uniondale

Memorial Sloan Kettering Commack (Limited Protocol Activities), Commack

Ohio State University, Columbus

University of Chicago, Chicago

Memorial Sloan Kettering Basking Ridge (Limited Protocol Activities), Basking Ridge

Memorial Sloan Kettering Monmouth (Limited Protocol Activities), Middletown

Memorial Sloan Kettering Bergen, Montvale